Twice I bantered, tipsy and tiddly (10)
I believe the answer is:
inebriated
'tiddly' is the definition.
(thesaurus)
'twice i bantered tipsy' is the wordplay.
'twice i' means two substitutions for 'i'.
'tipsy' indicates anagramming the letters.
'i'+'bantered'='ibantered'
'ibantered' anagrammed gives 'nebriated'.
'i'+'nebriated'='INEBRIATED'
'and' acts as a link.
(Other definitions for inebriated that I've seen before include "Drunk" , "Bombed" , "Tipsy" , "wasted" .)